1972 Miami Dolphins: The inside story of the only perfect season in NFL history
1972 Miami Dolphins' 50-year anniversary: Five interesting facts about the NFL's only perfect season
Miami Dolphins say Don Shula, the winningest coach in pro football history, has died at age 90
The 1972 Miami Dolphins are STILL the only undefeated NFL team in the history of the world - The Phinsider
Achieving Perfection Story of the 1972 Miami Dolphins Undefeated Season
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
10 Greatest Miami Dolphins Teams of All Time
50 years later, '72 Dolphins remain unmatched in perfection
Richard Rothschild: Looking back on 1972, the greatest collection of champions in history - Sports Illustrated
E:60 Perfect Machine an informative look at 1972 Miami Dolphins
Seventeen and Oh' Review: A Perfect Season for Dolphins - WSJ
The Perfect Team: Part 1 - Prelude to Perfection - Miami Dolphins
Top 5 Miami Dolphins Quarterbacks of All Time - Sports Illustrated
NFL - Q: The only undefeated team in NFL history. A: Who are the 1972 Miami Dolphins?